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Lenses
Meniscus Lens
Meniscus Lens
Positive Meniscus Lens
Negative Meniscus Lens
Specifications
Material .......................... BK7 or UV Fused Silica
Design Wavelength ............................... 546.1nm
Design Index (BK7) ....................1.5187 +/- 0.0005
Design Index (Fused Silica)........1.4601 +/- 0.0005
Diameter Tolerance .......................+0.0, -0.15mm
Paraxial Focal Length ................................. 2%
Positive Meniscus Lens
Centration......................................3 arc minutes
Clear Aperture .......................................... >90%
Surface Irregularity .......L/4 per 25mm 632.8nm
Surface Quality ..................60-40 scratch and dig
Protective Bevel
Positive Meniscus Lens
Negative Meniscus Lens
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